Malicious PDF — malware analysis report

Static analysis result for SHA-256 01dd045aeb330928…

MALICIOUS

PDF

44.6 KB Created: 2018-11-30 20:39:28 +03:00 Authoring application: Word (via Mac OS X 10.7.5 Quartz PDFContext)
MD5: 0d8bcc19db1bd563d90421ddb00d4d9b SHA-1: 966a01380d3b8fe60febf850a9600f9b1a35285a SHA-256: 01dd045aeb330928e7f6623505285a26e3f2263d620b87e64a9cf69b805edfc3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine rankings or distribute a large number of potentially malicious documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9007

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.gorillawalker.com/end-of-state-impeachable-offense-end-of-state-series-left.pdf
    • http://www.gorillawalker.com/plastics-in-medical-devices-second-edition-properties-requirements-and-applications.pdf
    • http://www.gorillawalker.com/biology-of-humans-concepts-applications-and-issues-plus-masteringbiology-with.pdf
    • http://www.gorillawalker.com/sexy-shannon-visits-the-beach-kindle-edition.pdf
    • http://www.gorillawalker.com/compass-a-story-of-exploration-and-innovation.pdf
    • http://www.gorillawalker.com/black-holes-fun-facts-for-kids-picture-books-for-kids.pdf
    • http://www.gorillawalker.com/embedded-systems-robots-projects-using-the-8051-microcontroller.pdf
    • http://www.gorillawalker.com/positive-turbulence-developing-climates-for-creativity-innovation-and-renewal.pdf
    • http://www.gorillawalker.com/geometry-grades-9-12-mcdougal-littell-high-school-math.pdf
    • http://www.gorillawalker.com/the-comics-before-1945.pdf
    • http://www.gorillawalker.com/the-ok-boss.pdf
    • http://www.gorillawalker.com/el-s-de-las-ni-as-biblioteca-didactica-anaya-spanish.pdf
    • http://www.gorillawalker.com/floodplain-management-a-new-approach-for-a-new-era.pdf
    • http://www.gorillawalker.com/jumbo-sudoku-everyday.pdf
    • http://www.gorillawalker.com/living-water-the-power-of-the-holy-spirit-in-your.pdf
    • http://www.gorillawalker.com/the-rhythm-of-christmas-sacred-folio.pdf
    • http://www.gorillawalker.com/sew-your-own-riding-clothes.pdf
    • http://www.gorillawalker.com/g-protein-coupled-receptors-in-drug-discovery-methods-and-protocols.pdf
    • http://www.gorillawalker.com/corrosion-resistance-tables-part-d.pdf
    • http://www.gorillawalker.com/the-rising-seas-shorelines-under-threat-extreme-environmental-events.pdf
    • http://www.gorillawalker.com/surviving-hostage-rescue-missions-extreme-survival-in-the-military.pdf
    • http://www.gorillawalker.com/blood-always-tells.pdf
    • http://www.gorillawalker.com/sophie.pdf
    • http://www.gorillawalker.com/gweilo-moments-notes-from-hong-kong-on-motherhood-adoption-mid.pdf
    • http://www.gorillawalker.com/cross-border-insolvency-national-and-comparative-studies-reports-delivered-at.pdf
    • http://www.gorillawalker.com/vision-in-elementary-mathematics-dover-books-on-mathematics.pdf
    • http://www.gorillawalker.com/the-essential-vince-lombardi-words-wisdom-to-motivate-inspire-and.pdf
    • http://www.gorillawalker.com/valuing-environmental-amenities-using-stated-choice-studies-a-common-sense.pdf
    • http://www.gorillawalker.com/the-new-abs-diet-cookbook.pdf
    • http://www.gorillawalker.com/1985-industrial-pollution-control-symposium.pdf
    • http://www.gorillawalker.com/close-call-thoroughbred-series-41.pdf
    • http://www.gorillawalker.com/how-to-christen-your-boat-kindle-edition.pdf
    • http://www.gorillawalker.com/american-meth-a-history-of-the-methamphetamine-epidemic-in-america.pdf
    • http://www.gorillawalker.com/fixed-income-securities-valuation-risk-and-risk-management-1st-first.pdf
    • http://www.gorillawalker.com/in-windsor-forest-satb-vocal-score.pdf
    • http://www.gorillawalker.com/a-color-atlas-of-diseases-disorders-of-the-domestic-fowl.pdf
    • http://www.gorillawalker.com/iec-tr-60783-ed-1-0-b-1984-wiring-and.pdf
    • http://www.gorillawalker.com/firestar-firestar-saga-book-1-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/shindig-no-46-the-kinks.pdf
    • http://www.gorillawalker.com/poems-for-the-grades-book-ii.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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